Maxi-K potassium channels: form, function, and modulation of a class of endogenous regulators of intracellular calcium

VK Gribkoff, JE Starrett Jr, SI Dworetzky - The Neuroscientist, 2001 - journals.sagepub.com
Large-conductance calcium-activated (maxi-K, BK) potassium channels are widely distributed
in the brain. Maxi-K channels function as neuronal calcium sensors and contribute to the …

Targeting acute ischemic stroke with a calcium-sensitive opener of maxi-K potassium channels

VK Gribkoff, JE Starrett, SI Dworetzky, P Hewawasam… - Nature medicine, 2001 - nature.com
During ischemic stroke, neurons at risk are exposed to pathologically high levels of intracellular
calcium (Ca++), initiating a fatal biochemical cascade. To protect these neurons, we …

The effects of variations in the number and sequence of targeting signals on nuclear uptake.

SI Dworetzky, RE Lanford, CM Feldherr - The Journal of cell biology, 1988 - rupress.org
To determine if the number of targeting signals affects the transport of proteins into the nucleus,
Xenopus oocytes were injected with colloidal gold particles, ranging in diameter from 20 …

Formation of intermediate-conductance calcium-activated potassium channels by interaction of Slack and Slo subunits

WJ Joiner, MD Tang, LY Wang, SI Dworetzky… - Nature …, 1998 - nature.com
Large-conductance calcium-activated potassium channels (maxi-K channels) have an
essential role in the control of excitability and secretion. Only one gene Slo is known to encode …

A thallium-sensitive, fluorescence-based assay for detecting and characterizing potassium channel modulators in mammalian cells

CD Weaver, D Harden, SI Dworetzky, B Robertson… - SLAS Discovery, 2004 - Elsevier
Potassium channels have been identified as targets for a large number of therapeutic
indications. The ability to use a high-throughput functional assay for the detection and …

The synthesis and characterization of BMS-204352 (MaxiPost™) and related 3-fluorooxindoles as openers of maxi-K potassium channels

…, VK Gribkoff, Y Pendri, SI Dworetzky… - Bioorganic & medicinal …, 2002 - Elsevier
3-Aryl-3-fluorooxindoles can be efficiently synthesized in two steps by the addition of an aryl
Grignard to an isatin, followed by treatment with DAST. Oxindole 1 (BMS-204352; MaxiPost…

Translocation of RNA-coated gold particles through the nuclear pores of oocytes.

SI Dworetzky, CM Feldherr - The Journal of cell biology, 1988 - rupress.org
In the present study, various sized gold particles coated with tRNA, 5S RNA, or poly(A) were
used to localize and characterize the pathways for RNA translocation to the cytoplasm. RNA-…

Phenotypic Alteration of a Human BK (hSlo) Channel byhSloβ Subunit Coexpression: Changes in Blocker Sensitivity, Activation/Relaxation and Inactivation Kinetics …

SI Dworetzky, CG Boissard, JT Lum-Ragan… - Journal of …, 1996 - Soc Neuroscience
A human homolog of the large-conductance calcium-activated potassium (BK) channel β
subunit (hSloβ) was cloned, and its effects on a human BK channel (hSlo) phenotype are …

Effects of channel modulators on cloned large-conductance calcium-activated potassium channels.

…, JT Trojnacki, MC Mckay, J Zhong, SI Dworetzky - Molecular …, 1996 - ASPET
Through expression of the cloned mouse (mSlo) or human (hSlo) large-conductance (BK)
Ca(2+)-activated K+ channel in Xenopus laevis oocytes and HEK 293 cells, we characterized …

The Pharmacology and Molecular Biology of Large-Conductance Calcium= Activated (BK) Potassium Channels

VK Gribkoff, JE Starrett Jr, SI Dworetzky - Advances in pharmacology, 1996 - Elsevier
Publisher Summary This chapter summarizes the current status of pharmacological
development targeted at an important class of K + channel, the BK channel. BK Channels are a …